Hyundai HX130LCR Manual page 112

Hide thumbs Also See for HX130LCR:

Table of Contents

The brake valve portion mainly consists of the following parts:

By shifting the spool (31), the discharged oil from hydraulic motor is automatically shut off or

restricted according to the condition and give the effect of holding, accelerating, stopping and

counterbalance operations.

(See page 2-66, (2) Operation)

Check valve (built in the spool)

This valve is located in the oil supplying passage to hydraulic motor, and at the same time

functions to lock oil displacement. Therefore, this valve serves as not only a suction valve but

also a holding valve for hydraulic motor.

31 Main spool

34 Restrictor

35 Restrictor spring

37 Spring seat

Troubleshooting